METHOD FOR LASER AND LIGHT THERMAL TREATMENT OF METALLIC MATERIALS AT CONTROLLED TEMPERATURE CHANGE Russian patent published in 2008 - IPC C21D1/09 B23K28/02 B23K26/08 B23K1/05 

Abstract RU 2322513 C1

FIELD: processes for laser thermal treatment of thin-sheet metallic materials, alloys, quenching high-strength steels with different thermal-physical properties, possibly used in machine engineering, aircraft manufacture, ship making.

SUBSTANCE: method comprises steps of acting upon treated zone by laser beam and at least by one light beam; controlling rate of temperature change of said zone due to motion of laser beam spot and at least of one light beam spot along thermal treatment line; providing elliptic shape of spots of light beam and laser beam at relation of sizes of lengthwise and crosswise axes of ellipse of spot of laser beam 2 : 1 and power density of irradiation in spot in range 10 5 - 107 Wt/cm.

EFFECT: possibility for receiving high-quality welded joint by laser and light thermal treatment method.

16 cl, 5 dwg

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Authors

Grigor'Jants Aleksandr Grigor'Evich

Rototaev Dmitrij Aleksandrovich

Shiganov Igor' Nikolaevich

Juzbash'Jants Georgij Romanovich

Dates

2008-04-20Published

2006-07-17Filed